<template>
  <div class="container">
    <div class="app-container">
      <el-tree default-expand-all :data="depts" :props="defaultProps" :expand-on-click-node="false">
        <!-- 节点结构 -->
        <!-- v-slot="{ node, data }" 只能作用在template -->
        <template v-slot="{ data }">
          <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <!-- $event 实参 表示类型 -->
              <el-dropdown @command="operateDepts($event,data.id)">
                <!-- 显示区域内容 -->
                <span class="el-dropdown-link">
                  操作<i class="el-icon-arrow-down el-icon--right" />
                </span>
                <!-- 下拉菜单选项 -->
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
      <addDept ref="exitDeptRef" :show-dialog.sync="showDialog" :p-node-id="pNodeId" @updateDepartment="getDepartment" />
    </div>
  </div>
</template>
<script>
import { getDepartmentAPI } from '@/api/department'
import { transObjToTree } from '@/utils'
import addDept from '@/views/department/addDept.vue'
import { Message } from 'element-ui'

export default {
  name: 'Department',
  components: {
    addDept
  },
  data() {
    return {
      depts: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      showDialog: false,
      pNodeId: null
    }
  },
  mounted() {
    this.getDepartment()
  },
  methods: {
    async getDepartment() {
      const res = await getDepartmentAPI()
      this.depts = transObjToTree(res, 0)
    },
    operateDepts(type, pid) {
      if (type === 'add') {
        this.pNodeId = pid
        this.showDialog = true
      }
      if (type === 'edit') {
        // this.pNodeId = pid
        this.showDialog = true
        // this.$nextTick(() => {
        this.$refs.exitDeptRef.getDeaprtMentDetail(pid)
        // })
        // 子组件刚创建之初，拿不到id,使用nextTick方式是通过父组件id传到子组件里面,通过子组件id去获取数据
      }
      if (type === 'del') {
        this.$confirm('您确定要删除吗').then(() => {
          this.$refs.exitDeptRef.delDeaprtMent(pid)
          this.getDepartment()
          Message.success('删除成功')
        })
      }
    }
  }
}
</script>
<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}

.tree-manager {
  width: 80px;
  display: inline-block;
  margin: 10px;
}
</style>

